worldcat.org in June 2020

WorldCat is a union catalog that itemizes the collections of 17,900 libraries in 123 countries and territories that participate in the OCLC global cooperative. It is operated by OCLC, Inc. The subscribing member libraries collectively maintain WorldCat's database, the world's largest bibliographic database. OCLC makes WorldCat itself available free to libraries, but the catalog is the foundation for other subscription OCLC services. WorldCat is used by the general public and by librarians for cataloging and research. More information...

Multilingual Wikipedia

In June 2020 the website worldcat.org was on the 68th place in the ranking of the most reliable and popular sources in multilingual Wikipedia from readers' point of view (PR-score). If we consider only frequency of appearance of this source in references of Wikipedia articles (F-score), this website was on the 83rd place in June 2020. From Wikipedians' point of view, "worldcat.org" is the 79th most reliable source in different language versions of Wikipedia (AR-score).

The website is placed before bloomberg.com and after lemonde.fr in multilingual PR ranking of the most reliable sources in Wikipedia.

PR-score:
68th place
362,409,394
-60,281,288
AR-score:
79th place
46,688,909
+2,511,235
F-score:
83rd place
169,394
+8,730

Spanish Wikipedia

PR-score:
15th place
95,867,953
-25,621,795
AR-score:
35th place
6,647,687
+257,159
F-score:
44th place
16,750
+608

English Wikipedia

PR-score:
276th place
74,379,712
+13,965,043
AR-score:
184th place
9,668,393
+1,206,180
F-score:
112th place
31,323
+2,899

French Wikipedia

PR-score:
26th place
55,910,842
-13,799,633
AR-score:
27th place
8,650,567
+185,484
F-score:
25th place
25,524
+1,122

Portuguese Wikipedia

PR-score:
28th place
24,311,103
-1,113,090
AR-score:
73rd place
1,891,301
+102,163
F-score:
50th place
7,668
+429

Italian Wikipedia

PR-score:
35th place
21,374,238
-12,603,301
AR-score:
60th place
2,873,338
+73,808
F-score:
45th place
8,101
+180

Catalan Wikipedia

PR-score:
13th place
3,105,942
-2,473,741
AR-score:
18th place
2,676,873
+161,362
F-score:
16th place
10,501
+722
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Popularity and reliability assessment of sources in references of Wikipedia in different languages. Data extraction based on complex method using Wikimedia dumps in July 2020. More details in the research "Modeling Popularity and Reliability of Sources in Multilingual Wikipedia". Values for PR-score and AR-score were additinaly increased 100 times (to distinguish smaller values in the ranking).

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